52mhz clock patch (have 64mhz stock clock)

hi,

i’m about to buy the 52mhz clock and was wondering whether i need to
patch my gnuradio which is the git version (gnuradio + uhd).

according to what i’ve read, i have to create a file with the following:
"
diff --git a/usrp/host/lib/usrp_basic.cc b/usrp/host/lib/usrp_basic.cc
index 5b2f7ff…8f50ff2 100644
— a/usrp/host/lib/usrp_basic.cc
+++ b/usrp/host/lib/usrp_basic.cc
@@ -107,7 +107,7 @@ usrp_basic::usrp_basic (int which_board,
: d_udh (0), d_ctx (0),
d_usb_data_rate (16000000), // SWAG, see below
d_bytes_per_poll ((int) (POLLING_INTERVAL * d_usb_data_rate)),

  • d_verbose (false), d_fpga_master_clock_freq(64000000), d_db(2)
  • d_verbose (false), d_fpga_master_clock_freq(52000000), d_db(2)
    {
    /*
* SWAG: Scientific Wild Ass Guess.

"
let’s say i call it patch.patch. then i shall do:
"
patch -p0 patch.patch
"

and that’s it? is there anything else i need to patch?
thanks in advance,